OpenTechnical

OT-2026-000085311

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000085311) never changes.

Identity and time

Publication numberOT-2026-000085311 · never reused
Internal UUID01a0ae99-aaaa-7f02-bb1a-fae4048cef14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085311
StatusPUBLIC

Content hashes

Canonical text6a6f7254235167b4346bf7d49124b3f071440e66e0142718a25877ee4f77ec46
Markdownec3aa03cc6a199e5ac5bb4facedb31e4c871c1345ba2866057e5b80d5f8d4958
PDF
Publication page8fc089b5f8f19906b27fd930a7daf27f5aae1508305320c14014c449d663b5f3
Manifested4d93a273c7369637939b5181051c1c5be00b1b6b54f8f7248fef49a9d0262a

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturebAbfpO7rIYexIP5lbq7q0Roxq+0jKEhR8n3ukvubmW56Qye3Ggwedt9rTffP5wPUhofFNdPOmFhYNrR4R5pTCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:54:01.863579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085311
observed 8fc089b5f8f19906b27fd930a7daf27f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:01.845585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085311/manifest.json
observed ed4d93a273c7369637939b5181051c1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:01.828897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085311/publication.md
observed ec3aa03cc6a199e5ac5bb4facedb31e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:01.809408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085311/publication.txt
observed 6a6f7254235167b4346bf7d49124b3f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.